Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 26-05-2020 and time 22:20:06 (Italy) in region 6 km SW Serravalle di Chienti (MC)

A magnitude ML 1.0 earthquake occured in region: 6 km SW Serravalle di Chienti (MC), on

  • 26-05-2020 20:20:06 (UTC)
  • 26-05-2020 22:20:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0450, 12.8950 at 8 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Serravalle di Chienti MC 6 1070 1070
Monte Cavallo MC 10 145 1215
Nocera Umbra PG 11 5839 7054
Valtopina PG 12 1398 8452
Sefro MC 12 422 8874
Pieve Torina MC 13 1458 10332
Muccia MC 13 915 11247
Pievebovigliana MC 16 866 12113
Fiordimonte MC 16 202 12315
Fiuminata MC 16 1402 13717
Pioraco MC 17 1134 14851
Sellano PG 17 1079 15930
Camerino MC 17 6974 22904
Foligno PG 18 57155 80059
Spello PG 19 8645 88704

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NE of Foligno (57155 inhabitants)
42 Km E of Perugia (166134 inhabitants)
57 Km NE of Terni (111501 inhabitants)
79 Km NW of Teramo (54892 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
90 Km S of Fano (60888 inhabitants)
95 Km SE of Arezzo (99543 inhabitants)
95 Km NE of Viterbo (67173 inhabitants)
96 Km S of Pesaro (94582 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		ML 1.0 2020-05-26
20:20:06		 43.0448 12.8953 8 2020-05-26
21:05:28		 Sala Sismica INGV-Roma 79595351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-26 20:20:06 ± 0.04
Latitude 43.0448 ± 0.0027
Longitude 12.8953 ± 0.0025
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79595351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 288
Semi-minor axis of confidence ellipse (meter) 212
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 189
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.60974
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 79595351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-26 21:05:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2020-05-26T20:20:28.56 0.1 undecidable manual P 67.6767 9.65 0
IV.PIEI.HHZ. 2020-05-26T20:20:27.12 0.1 undecidable manual P 61.6938 9.13 0
IV.SSFR.HHZ. 2020-05-26T20:20:21.58 0.3 undecidable manual S 348 44.4222 50 -0.05 69
IV.EL6.EHZ. 2020-05-26T20:20:19.29 0.3 undecidable manual S 28 35.742 50 -0.02 71
IV.NRCA.HHN. 2020-05-26T20:20:17.16 0.3 undecidable manual S 143 29.4483 105 -0.12 70
IV.FRON.EHZ. 2020-05-26T20:20:16.85 0.1 undecidable manual P 345 54.2013 50 0.02 91
IV.ATCC.EHZ. 2020-05-26T20:20:16.30 0.3 undecidable manual S 307 25.8519 107 0.2 69
IV.ARVD.HHZ. 2020-05-26T20:20:16.25 0.1 undecidable manual P 4 50.4162 50 0.01 92
IV.CSP1.EHZ. 2020-05-26T20:20:16.16 0.3 undecidable manual S 78 25.6521 108 0.15 70
IV.ATVO.HHZ. 2020-05-26T20:20:16.88 0.1 undecidable manual P 314 54.4011 50 0.02 91
IV.SNTG.HHZ. 2020-05-26T20:20:15.09 0.3 undecidable manual S 9 23.5542 109 -0.25 69
IV.SSFR.HHZ. 2020-05-26T20:20:15.23 0.1 undecidable manual P 348 44.4222 50 -0.09 92
IV.MURB.HHZ. 2020-05-26T20:20:14.31 0.1 undecidable manual P 309 38.5281 50 -0.1 92
IV.ASSB.HHZ. 2020-05-26T20:20:13.93 0.3 undecidable manual S 269 19.1697 113 0.01 73
IV.EL6.EHZ. 2020-05-26T20:20:13.83 0.1 undecidable manual P 28 35.742 50 -0.15 92
IV.ATCC.EHZ. 2020-05-26T20:20:12.21 0.1 undecidable manual P 307 25.8519 107 0.09 95
IV.CSP1.EHZ. 2020-05-26T20:20:12.22 0.1 undecidable manual P 78 25.6521 108 0.15 94
IV.NRCA.HHN. 2020-05-26T20:20:12.81 0.1 undecidable manual P 143 29.4483 105 0.02 96
IV.FDMO.HHZ. 2020-05-26T20:20:12.80 0.3 undecidable manual S 93 15.5733 118 0.01 73
IV.ASSB.HHZ. 2020-05-26T20:20:11.02 0.1 undecidable manual P 269 19.1697 113 0.17 94
IV.SNTG.HHZ. 2020-05-26T20:20:11.64 0.1 undecidable manual P 9 23.5542 109 -0.04 96
IV.FDMO.HHZ. 2020-05-26T20:20:10.43 0.1 undecidable manual P 93 15.5733 118 0.22 94
IT.MTCL.HGZ. 2020-05-26T20:20:09.42 0.1 undecidable manual P 124 10.1787 129 0.13 96
IV.CESI.HHZ. 2020-05-26T20:20:09.40 0.3 undecidable manual S 170 4.4955 151 -0.51 67
IV.CESI.HHZ. 2020-05-26T20:20:08.55 0.1 undecidable manual P 170 4.4955 151 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.9 0.0000814 0.18 AML other m 2020-05-26T20:20:13.25
IV.FDMO.HHE. ML:0.8 0.0000623 0.44 AML other m 2020-05-26T20:20:13.22
IV.ASSB.HHE. ML:1.0 0.00008690000000000001 1.02 AML other m 2020-05-26T20:20:15.92
IV.ASSB.HHN. ML:1.2 0.0001175 0.74 AML other m 2020-05-26T20:20:15.59
IV.SNTG.HHN. ML:0.8 0.00004235 0.42 AML other m 2020-05-26T20:20:16.23
IV.ATCC.EHN. ML:0.9 0.000046649999999999996 0.18 AML other m 2020-05-26T20:20:16.66
IV.ATCC.EHE. ML:1.0 0.00005505 0.42 AML other m 2020-05-26T20:20:16.79
IV.SNTG.HHE. ML:0.8 0.0000426 1.4 AML other m 2020-05-26T20:20:16.98
IV.MURB.HHN. ML:1.1 0.00004685 1.38 AML other m 2020-05-26T20:20:20.82
IV.SSFR.HHE. ML:1.4 0.00007135 0.26 AML other m 2020-05-26T20:20:22.23
IV.SSFR.HHN. ML:1.3 0.00006075 1 AML other m 2020-05-26T20:20:22.03
IV.MURB.HHE. ML:1.2 0.000053599999999999995 0.82 AML other m 2020-05-26T20:20:22.45
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download